Quick-change combined wrench

Provided is a quick-change combined wrench. Relates to a wrench tool, in particular to a quick-change combined wrench. The utility model provides a quick-change combined wrench which is compact in structure, stable, reliable and comfortable to use, and multi-specification wrench heads can be replaced. The quick-change combined wrench comprises a wrench head, a locking sleeve, a handle, a spring and a steel ball, an insertion groove is formed in one end of the handle; one end of the wrench head is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the inserting groove. A locking hole which is through inside and outside is formed in the position, close to the groove bottom of the inserting groove, of the handle. The steel balls are movably arranged in the locking holes in a matched mode, and the tightness degree of the steel balls and the connecting part is controlled through the locking sleeve. The locking sleeve is arranged on the handle in a s